Robuta

https://cordis.europa.eu/programme/id/FP5-GROWTH_2001-6.3.2 Reference substances and materials for anti-fraud | Programme | FP5 | CORDIS | European Commission reference substances anti fraud https://patents.google.com/patent/CN102391328B/en CN102391328B - Method for simultaneously preparing chemical reference substances magnoloside A and... The invention relates to a process for simultaneously preparing chemical reference substances magnoloside A and magnoloside B, which comprises the following... reference substances method simultaneously preparing